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The warning light doesn't tell you how healthy the battery is, it tells you if there are any problems with the charging system. A flickering light means charging is intermittant for some reason, so it would be worth checking the alternator or voltage regulator, which might be on the way out. It's worth also checking that the warning light circuit and bulb are ok - if it lights up brightly and continuously when you switch the ignition on, then goes off when you start the engine, it's ok. Hope that helps.

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โˆ™ 2005-10-03 10:54:11
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Q: Why would the battery light flicker when accelerating to 3k rpm engine not fully warmed up on a 95 Mercury Sable 3.8?
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